Morphology Data of Chelon caeruleus
Identification keys
Abnormalities
Main Ref. Deef, L.E.M., 2018
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral
Cross section oval
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished from its congeners by the following characters: body dark bluish grey dorsally and the sides are blue; head length 20.5-21.6% SL; head width 13-13.5% SL; pre-first dorsal fin length 50% SL; eye diameter 4.6-5.2% SL; postorbital length 10.7-11.1% SL; unbranched pyloric caeca are 2 short and 4 long; a pair of long (one longer than the other), spine-like neural postzygapophyse on the second vertebra. Further distinguished by having adipose eyelid not thick, not extending onto iris; upper lip very deep; corner of mouth cleft not reaching to below front nostril; body elongated and spindle-shaped; 2 dorsal fins small and widely separated (D1 IV, D2 I,8); head flattened (Ref. 119354).

Ease of Identification

Meristic characteristics of Chelon caeruleus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 5 - 5
Soft-rays total 8 - 8
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 9 - 9

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   14 - 14
Pelvics Attributes  
Position    
Spines     
Soft-rays   
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17